Diameter: Real-world Applications
Mathematics
Grade 8
12 questions
~24 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on the concept of Diameter in real-world contexts and problems for Grade 8 students.
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Diameter: Real-world Applications
Subject: MathematicsGrade: Grade 8
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
What is the diameter of a circle with a radius of 7 cm?
[2 marks]2.
A circular swimming pool has a diameter of 12 meters. What is its radius?
[2 marks]3.
Calculate the circumference of a circle with a diameter of 9 meters. (Use π ≈ 3.14)
[3 marks]4.
If the diameter of a circular track is 400 meters, what is its radius?
[2 marks]5.
A bicycle wheel has a diameter of 70 centimeters. How many rotations does the wheel make to cover 1 kilometer?
[3 marks]6.
In a circular garden, the diameter is 15 meters. What is the area of the garden? (Use π ≈ 3.14)
[4 marks]7.
A car tire has a diameter of 60 inches. How many revolutions will it make to travel 10 miles? (1 mile ≈ 63,360 inches)
[4 marks]8.
A circular fountain has a diameter of 8 meters. A drain is installed at the center. How far is the drain from the edge of the fountain?
[2 marks]9.
Construct a circle with a diameter of 10 cm on the grid. Label the radius and diameter clearly.
[3 marks]10.
A circular sports field has a diameter of 90 meters. A runner starts at the center and runs straight to the edge. How far does the runner run?
[2 marks]11.
A common mistake is to confuse the diameter with the radius. Which of the following is a correct statement?
A) Diameter = 2 × radius
B) Diameter = radius / 2
C) Diameter = radius + radius
[1 mark]12.
Identify and correct the mistake in this statement: 'The diameter of a circle is 20 meters, so its radius is also 20 meters.'
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet